1. At a sample size of infinity, the t distribution: is unreliable. has a standa
ID: 3304779 • Letter: 1
Question
1. At a sample size of infinity, the t distribution:
is unreliable.
has a standard deviation of 0.
is similar to the z distribution.
has a standard deviation of 0.50.
2.
A psychologist is interested in whether working memory is influenced by sleep loss. The psychologist administers a measure of working memory to a group of subjects at 8 A.M. on Day One of the study and then again at 8 A.M. on Day Two of the study, after keeping the subjects awake the entire night. Does sleep loss affect working memory? What is the statistical analysis we would perform to answer this question?
single-sample t test
z test
standard deviation analysis
paired-samples t test
a.is unreliable.
b.has a standard deviation of 0.
c.is similar to the z distribution.
d.has a standard deviation of 0.50.
Explanation / Answer
Solution:
1. Option (c) is correct:
At a sample size of infinity, the t distribution: is similar to the z distribution.
2. Option (d) is correct.
Paired-samples t test
Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.